Small Gas Engines provides practical information about the construction and operation of small two- and four-cycle gasoline engines. Detailed information about specific maintenance, lubrication, troubleshooting, service, rebuilding, and repair is presented. The text is written in clear, nontechnical language and includes information that is invaluable to anyone interested in servicing small gas engines. Logical procedures for troubleshooting and repairing major systems. Information on small gas engine applications, career opportunities, and Outdoor Power Equipment and Engine Service Association (OPEESA) Technician Certification Exams. Updated information on small engine emission control systems.